Home / 118,664.36-178,057.94-52,151.12

Finding the Fourth Proportional to 118,664.36, 178,057.94 and 52,151.12

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Solution

The fourth proportional to 118,664.36, 178,057.94 and 52,151.12 is: 78,253.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,664.36 : 178,057.94 = 52,151.12 : x
  2. Step 2: Convert to fraction form
    118,664.36/178,057.94 = 52,151.12/x
  3. Step 3: Cross multiply
    118,664.36x = 178,057.94 × 52,151.12
  4. Step 4: Simplify right side
    118,664.36x = 9,285,920,995.89
  5. Step 5: Solve for x
    x = 9,285,920,995.89/118,664.36
  6. Step 6: Final answer
    x = 78,253.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.